Home / 72,195.42-99,589.69-41,977.41

Finding the Fourth Proportional to 72,195.42, 99,589.69 and 41,977.41

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Solution

The fourth proportional to 72,195.42, 99,589.69 and 41,977.41 is: 57,905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,195.42 : 99,589.69 = 41,977.41 : x
  2. Step 2: Convert to fraction form
    72,195.42/99,589.69 = 41,977.41/x
  3. Step 3: Cross multiply
    72,195.42x = 99,589.69 × 41,977.41
  4. Step 4: Simplify right side
    72,195.42x = 4,180,516,927.91
  5. Step 5: Solve for x
    x = 4,180,516,927.91/72,195.42
  6. Step 6: Final answer
    x = 57,905.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.